Question: A normal population has mean =31 and standard deviation =7. (a) What proportion of the population is between 15 and 25 ? (b) What is

A normal population has mean =31 and standard deviation =7. (a) What proportion of the population is between 15 and 25 ? (b) What is the probability that a randomly chosen value will be between 25 and 35 ? Round the answers to at least four decimal places. Round the answers to at least four decimal places. Part 1 of 2 The proportion of the population between 15 and 25 is Part 2 of 2 The probability that a randomly chosen value will be between 25 and 35 is

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